[INFO] cloning repository https://github.com/ITSmith/ARCE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ITSmith/ARCE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9a9bd99cf7d77a925dd97dd9c64abfb0107999e
[INFO] testing ITSmith/ARCE against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ITSmith/ARCE on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-40/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ITSmith/ARCE
[INFO] finished tweaking git repo https://github.com/ITSmith/ARCE
[INFO] tweaked toml for git repo https://github.com/ITSmith/ARCE written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/ITSmith/ARCE already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2dd35cac0e224cbc76e3392ebec4f295a83872993b6412338100a107ad7da0f
[INFO] running `Command { std: "docker" "start" "-a" "e2dd35cac0e224cbc76e3392ebec4f295a83872993b6412338100a107ad7da0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2dd35cac0e224cbc76e3392ebec4f295a83872993b6412338100a107ad7da0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2dd35cac0e224cbc76e3392ebec4f295a83872993b6412338100a107ad7da0f", kill_on_drop: false }`
[INFO] [stdout] e2dd35cac0e224cbc76e3392ebec4f295a83872993b6412338100a107ad7da0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e3683449e73a7bc4998aaf30c72885ba833ce33592c6fb689d587f8e06921a
[INFO] running `Command { std: "docker" "start" "-a" "69e3683449e73a7bc4998aaf30c72885ba833ce33592c6fb689d587f8e06921a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arce_lib v0.1.0 (/opt/rustwide/workdir/arce_lib)
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> arce_lib/src/square.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `START_POSITION`, `TRICKY_POSITION`, `attacks::Attacks`, `parse_go`, `parse_move`, `parse_position`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     attacks::Attacks,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     utils::{
[INFO] [stdout] 6 |         fen::{parse_fen, START_POSITION, TRICKY_POSITION},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         uci::{parse_go, parse_move, parse_position, uci_loop},
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "69e3683449e73a7bc4998aaf30c72885ba833ce33592c6fb689d587f8e06921a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e3683449e73a7bc4998aaf30c72885ba833ce33592c6fb689d587f8e06921a", kill_on_drop: false }`
[INFO] [stdout] 69e3683449e73a7bc4998aaf30c72885ba833ce33592c6fb689d587f8e06921a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c442d256b9fd1af99dea0584b77ec1a545152cbd768d728826af45106a47b08c
[INFO] running `Command { std: "docker" "start" "-a" "c442d256b9fd1af99dea0584b77ec1a545152cbd768d728826af45106a47b08c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> arce_lib/src/square.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling arce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `START_POSITION`, `TRICKY_POSITION`, `attacks::Attacks`, `parse_go`, `parse_move`, `parse_position`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     attacks::Attacks,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     utils::{
[INFO] [stdout] 6 |         fen::{parse_fen, START_POSITION, TRICKY_POSITION},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         uci::{parse_go, parse_move, parse_position, uci_loop},
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.66s
[INFO] running `Command { std: "docker" "inspect" "c442d256b9fd1af99dea0584b77ec1a545152cbd768d728826af45106a47b08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c442d256b9fd1af99dea0584b77ec1a545152cbd768d728826af45106a47b08c", kill_on_drop: false }`
[INFO] [stdout] c442d256b9fd1af99dea0584b77ec1a545152cbd768d728826af45106a47b08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ff9ee7379970adf821e107b53611c732d47e8465b1f246908cb3927a72b16c5
[INFO] running `Command { std: "docker" "start" "-a" "2ff9ee7379970adf821e107b53611c732d47e8465b1f246908cb3927a72b16c5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::panic`
[INFO] [stderr]  --> arce_lib/src/square.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::panic;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arce_lib` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `START_POSITION`, `TRICKY_POSITION`, `attacks::Attacks`, `parse_go`, `parse_move`, `parse_position`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     attacks::Attacks,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 5 |     utils::{
[INFO] [stderr] 6 |         fen::{parse_fen, START_POSITION, TRICKY_POSITION},
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |         uci::{parse_go, parse_move, parse_position, uci_loop},
[INFO] [stderr]   |               ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `arce` (bin "engine" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/engine-0beb19761d4c5381)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perft-aa4071195b528046)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ff9ee7379970adf821e107b53611c732d47e8465b1f246908cb3927a72b16c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff9ee7379970adf821e107b53611c732d47e8465b1f246908cb3927a72b16c5", kill_on_drop: false }`
[INFO] [stdout] 2ff9ee7379970adf821e107b53611c732d47e8465b1f246908cb3927a72b16c5